Performance of prototypes for the ALICE electromagnetic calorimeter

J. Allen, T. Awes, A. Badalá, S. Baumgart, R. Bellwied, L. Benhabib, C. Bernard, N. Bianchi, F. Blanco, Y. Bortoli, G. Bourdaud, O. Bourrion, B. Boyer, E. Bruna, J. Butterworth, H. Caines, D. Calvo Diaz Aldagalan, G. P. Capitani, Y. Carcagno, A. Casanova DiazM. Cherney, G. Conesa Balbastre, T. M. Cormier, L. Cunqueiro Mendez, H. Delagrange, M. Del Franco, M. Dialinas, P. Di Nezza, A. Donoghue, M. Elnimr, A. Enokizono, M. Estienne, J. Faivre, A. Fantoni, F. Fichera, B. Foglio, S. Fresneau, J. Fujita, C. Furget, S. Gadrat, I. Garishvili, M. Germain, N. Giudice, Y. Gorbunov, A. Grimaldi, N. Guardone, R. Guernane, C. Hadjidakis, J. Hamblen, J. W. Harris, D. Hasch, M. Heinz, P. T. Hille, D. Hornback, R. Ichou, P. Jacobs, S. Jangal, K. Jayananda, J. L. Klay, A. G. Knospe, S. Kox, J. Kral, P. Laloux, S. LaPointe, P. La Rocca, S. Lewis, Q. Li, F. Librizzi, D. Madagodahettige Don, I. Martashvili, B. Mayes, T. Milletto, V. Muccifora, H. Muller, J. F. Muraz, C. Nattrass, F. Noto, N. Novitzky, G. Odyniec, A. Orlandi, A. Palmeri, G. S. Pappalardo, A. Pavlinov, W. Pesci, V. Petrov, C. Petta, P. Pichot, L. Pinsky, M. Ploskon, F. Pompei, A. Pulvirenti, J. Putschke, C. A. Pruneau, J. Rak, J. Rasson, K. F. Read, J. S. Real, A. R. Reolon, F. Riggi, J. Riso, F. Ronchetti, C. Roy, D. Roy, M. Salemi, S. Salur, M. Sharma, D. Silvermyr, N. Smirnov, R. Soltz, V. Sparti, J. S. Stutzmann, T. J.M. Symons, A. Tarazona Martinez, L. Tarini, R. Thomen, A. Timmins, M. van Leeuwen, R. Vieira, A. Viticchié, S. Voloshin, D. Wang, Y. Wang, R. M. Ward

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Abstract

The performance of prototypes for the ALICE electromagnetic sampling calorimeter has been studied in test beam measurements at FNAL and CERN. A 4 × 4 array of final design modules showed an energy resolution of about 11 % / sqrt(E (GeV)) ⊕ 1.7 % with a uniformity of the response to electrons of 1% and a good linearity in the energy range from 10 to 100 GeV. The electromagnetic shower position resolution was found to be described by 1.5 mm ⊕ 5.3 mm / sqrt(E (GeV)). For an electron identification efficiency of 90% a hadron rejection factor of > 600 was obtained.

Original languageEnglish (US)
Pages (from-to)6-13
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume615
Issue number1
DOIs
StatePublished - Mar 21 2010

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

Allen, J., Awes, T., Badalá, A., Baumgart, S., Bellwied, R., Benhabib, L., Bernard, C., Bianchi, N., Blanco, F., Bortoli, Y., Bourdaud, G., Bourrion, O., Boyer, B., Bruna, E., Butterworth, J., Caines, H., Calvo Diaz Aldagalan, D., Capitani, G. P., Carcagno, Y., ... Ward, R. M. (2010). Performance of prototypes for the ALICE electromagnetic calorimeter. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 615(1), 6-13. https://doi.org/10.1016/j.nima.2009.12.061